JP6952995B2

JP6952995B2 - Fuel supply device and gas stove

Info

Publication number: JP6952995B2
Application number: JP2017164916A
Authority: JP
Inventors: 匠佐藤; 浩也長谷川
Original assignee: 株式会社パロマ
Priority date: 2017-08-30
Filing date: 2017-08-30
Publication date: 2021-10-27
Anticipated expiration: 2037-08-30
Also published as: JP2019044989A

Description

本発明は燃料供給装置及びガスコンロに関する。 The present invention relates to a fuel supply device and a gas stove.

ガスコンロは、コンロバーナにガスを供給する燃料供給装置を備える。特許文献１に開示する燃料供給装置は、操作具（操作つまみ）と共に回動しニードル弁を進退させる弁操作用回動体を備える。また、燃料供給装置は、操作具と弁操作用回動体とを連結し、両者を一体的に回動させる連結部材を有している。連結部材の一部にカム部が形成され、操作具が押し込み操作された時に、カム部は、押し力を回動力に変換することで、ニードル弁を点火位置に進退させる。この場合、押し込み操作の時に操作具と弁操作用回動体を相対的に近づける為に、連結部材が伸縮機構を有している。 The gas stove is equipped with a fuel supply device that supplies gas to the stove burner. The fuel supply device disclosed in Patent Document 1 includes a valve operating rotating body that rotates together with an operating tool (operating knob) to advance and retreat the needle valve. Further, the fuel supply device has a connecting member that connects the operating tool and the valve operating rotating body and rotates them integrally. When a cam portion is formed on a part of the connecting member and the operating tool is pushed in, the cam portion converts the pushing force into rotational power to advance and retreat the needle valve to the ignition position. In this case, the connecting member has an expansion / contraction mechanism in order to bring the operating tool and the valve operating rotating body relatively close to each other during the pushing operation.

特開２０１７−３１６４号公報JP-A-2017-3164

しかしながら、ニードル弁が点火位置にガイドされる時に、伸縮機構には押し力と回動力が作用するので、伸縮機構にひっかかりが生じる場合がある。この場合、押し込み操作時に通常以上の力が必要になる。また、押し込み操作時に、操作具が回動すると、操作者に違和感を与えてしまう。 However, when the needle valve is guided to the ignition position, a pushing force and a rotational force act on the expansion / contraction mechanism, so that the expansion / contraction mechanism may be caught. In this case, a force higher than usual is required during the pushing operation. Further, if the operating tool rotates during the pushing operation, the operator feels uncomfortable.

本発明の目的は、ニードル弁を所定の点火位置にガイドできる燃料供給装置とガスコンロを提供することである。 An object of the present invention is to provide a fuel supply device and a gas stove capable of guiding the needle valve to a predetermined ignition position.

請求項１に係る燃料供給装置は、押し込み操作可能であり押し込み方向回りに回動自在な操作つまみと、バーナへの燃料供給量を調整するニードル弁と、前記ニードル弁の前記押し込み方向の側と反対方向の手前側の端部に設けられ、前記押し込み方向に対して垂直且つ少なくとも下方に突出したピンとを備える流量調節部と、前記操作つまみの押し込み方向側において、前記操作つまみの回動に連動して回動し且つ前記押し込み方向へ移動しないように設けられ、前記操作つまみの押し込み力を前記押し込み方向回りの回動力に変換し、前記バーナの火力を調節する為の火力調節カムと、前記操作つまみが押し込み操作された際に、前記火力調節カムを、前記バーナを点火させる所定の点火位置に向けて回動させる点火ガイドとを備え、前記火力調節カムは、前記火力調節カムの後側に設けられ、前記ピンが挿入され、前記押し込み方向に対して螺旋状に傾斜し、前記火力調節カムと一体して回動することにより前記ピンを前記押し込み方向に進退させ、前記燃料供給量を調整する為のカム溝と、前記カム溝よりも手前側の左右両縁部に設けられ、前記押し込み方向から手前方向に向かうにつれて前記火力調節カムの左右方向中央に向かって傾斜する傾斜カム部とを備え、前記点火ガイドは、非回動、且つ前記操作つまみと連動して進退し、前記火力調節カムが前記所定の点火位置に対して左右側に位置している状態で、前記操作つまみが押し込み操作された際に、前記傾斜カム部に当接して前記火力調節カムを前記所定の点火位置に向けて回動させ、前記ニードル弁を前記バーナの点火に必要な燃料供給量を供給する所定位置に向けて移動させる当接部を前記押し込み方向の側の端部に有することを特徴とする。 The fuel supply device according to claim 1 includes an operation knob that can be pushed in and is rotatable in the pushing direction, a needle valve that adjusts the amount of fuel supplied to the burner, and a side of the needle valve in the pushing direction. A flow control unit provided at the front end in the opposite direction and having a pin perpendicular to the pushing direction and protruding at least downward, and the operation knob on the pushing direction side, for rotation of the operation knob. A thermal power adjustment cam, which is provided so as to rotate in conjunction with each other and do not move in the pushing direction, converts the pushing force of the operation knob into rotational force in the pushing direction, and adjusts the burning power of the burner. when the operating knob is pushed, the thermal power adjusting cam, and a point fire guide Ru is rotated toward a predetermined ignition position to ignite the burner, the thermal power adjusting cam, the combustion control cam Provided on the rear side, the pin is inserted, is inclined spirally with respect to the pushing direction, and is rotated integrally with the thermal power adjusting cam to advance and retreat the pin in the pushing direction, and the fuel. a cam groove for adjusting the supply amount than said cam grooves provided on the left and right edges of the hand front, inclined towards the lateral center of the hand the thermal power adjusting cam as the direction from the push-in direction toward the body and a inclined cam section, before Symbol ignition guide Hikaido, and moved forward and backward in conjunction with the operating knob, in a state in which the combustion control cam is located on the left and right side with respect to the predetermined ignition position When the operation knob is pushed in, the thermal power adjusting cam abuts on the inclined cam portion and is rotated toward the predetermined ignition position, and the needle valve is supplied with fuel necessary for ignition of the burner. the contact portion is moved toward a predetermined position for supplying a quantity characterized and Turkey to Yusuke the end on the side of the push-in direction.

請求項２に係る燃料供給装置は、請求項１に記載の構成に加え、前記火力調節カムは、前記傾斜カム部の前記手前側の端部から前記手前側に延伸して形成されている舌片を更に有し、前記点火ガイドは、前記舌片が前記操作つまみの前記押し込み方向回りに回動自在に遊挿される遊挿孔を有することを特徴とする。 In addition to the configuration according to claim 1, the fuel supply device according to claim 2 is a tongue formed by extending the thermal power adjusting cam from the front end of the inclined cam portion to the front side. further have a single, pre-Symbol ignition guide is characterized by having a loose insertion hole through which the tongue is loosely inserted rotatably in said pushing direction around the operating knob.

請求項３に係る燃料供給装置は、請求項２に記載の構成に加え、前記遊挿孔は、円弧状に形成されていることを特徴とする。 The fuel supply device according to claim 3 is characterized in that, in addition to the configuration according to claim 2, the play-insertion hole is formed in an arc shape.

請求項４に係る燃料供給装置は、請求項１乃至３の何れか一に記載の構成に加え、前記点火ガイドは、略円筒形状であり、その外周側から突出する突起を有し、前記火力調節カムの前記手前側の外周に重なって連結され、且つ前記火力調節カムより前記手前側に延設され、少なくとも前記操作つまみが押し込み操作された状態で前記点火ガイドの前記外周側に重なる延設部を更に備え、前記延設部の前記点火ガイドの前記外周に対向する側には、前記点火ガイドの前記外周側に突出するカム部が設けられ、前記カム部は、前記手前側から前記押し込み方向側に向かうにつれて前記延設部の左右方向の中央側に傾斜し、前記操作つまみを押し込み操作した際に、前記突起が前記カム部に当接して、前記火力調節カムを回動させ、前記ニードル弁を前記所定位置に向けて移動させることを特徴とする。 The fuel supply device according to claim 4, in addition to the configuration according to any one of claims 1 to 3, wherein the ignition guide is substantially cylindrical in shape, has a projection to leave collision from its outer peripheral side, coupled overlapping the front side outer periphery of the thermal power adjusting cams are and extends in the front side of the thermal power adjusting cam, overlapping the outer peripheral side of the ignition guide in a state in which at least the operating knob is pushed An extension portion is further provided, and a cam portion projecting to the outer peripheral side of the ignition guide is provided on the side of the extension portion facing the outer circumference of the ignition guide, and the cam portion is provided from the front side. inclined toward the center in the lateral direction of the hand the extended portion As towards the pushing direction, when operated pushing the operation knob, the projection abuts against the cam portion, rotating the thermal power adjusting cam It is allowed, and wherein the benzalkonium is moved toward the needle valve to the office stereotactic location.

請求項５に係るガスコンロは、請求項１乃至４の何れか一に記載の燃料供給装置を備えることを特徴とする。 The gas stove according to claim 5 is characterized by including the fuel supply device according to any one of claims 1 to 4.

請求項１に係る燃料供給装置によれば、ニードル弁を後退させる火力調節カムの手前側且つ点火ガイドの奥側に傾斜カム部と、非回動且つ操作つまみと連動して進退する略円筒状の点火ガイドを有する。従って、操作つまみを押し込み操作した際に、点火ガイドの奥側の当接部が傾斜カム部に当接することで、火力調節カムを点火位置に向けて回動することができる。故に、例えば、操作つまみの押し込み操作時に、操作つまみと火力調節カムが非連結になる構成をとっても、適切に点火位置に誘導してくれるので、設計の自由度を広げることが可能となる。また、連結部材は伸縮機構が不要となるので、押し込み操作時に通常以上の力が必要となることがない。故に、押し込み操作が楽に行うことができる。 According to the fuel supply device according to claim 1, a substantially cylindrical shape that moves forward and backward in conjunction with a non-rotating and operating knob, and an inclined cam portion on the front side of the thermal power adjusting cam that retracts the needle valve and on the back side of the ignition guide. Has an ignition guide. Therefore, when the operation knob is pushed in, the contact portion on the back side of the ignition guide comes into contact with the inclined cam portion, so that the thermal power adjusting cam can be rotated toward the ignition position. Therefore, for example, even if the operation knob and the thermal power adjustment cam are not connected to each other when the operation knob is pushed in, the operation knob and the thermal power adjustment cam are appropriately guided to the ignition position, so that the degree of freedom in design can be expanded. Further, since the connecting member does not require an expansion / contraction mechanism, a force higher than usual is not required during the pushing operation. Therefore, the pushing operation can be easily performed.

請求項２に係る燃料供給装置によれば、請求項１に記載の発明の効果に加え、点火ガイドの遊挿孔に舌片が回転自在に挿入されているので、操作つまみが押し込み操作された際に、突っかかりを防止することができ、操作が重くなるのを防止することができる。 According to the fuel supply device according to claim 2, in addition to the effect of the invention according to claim 1, since the tongue piece is rotatably inserted into the free insertion hole of the ignition guide, the operation knob is pushed in. At that time, it is possible to prevent the sticking, and it is possible to prevent the operation from becoming heavy.

請求項３に係る燃料供給装置によれば、請求項２に記載の発明の効果に加え、遊挿孔が円弧状に形成されているので、舌片をスムースに回転自在に挿入させることができる。 According to the fuel supply device according to claim 3, in addition to the effect of the invention according to claim 2, since the free insertion hole is formed in an arc shape, the tongue piece can be smoothly and rotatably inserted. ..

請求項４に係る燃料供給装置によれば、請求項１乃至３の何れか一に記載の発明の効果に加え、操作つまみの押し込み操作の際に、突起が左右の押し込み方向の側に傾斜したカム部に当接することで、火力調節カムを点火位置に向けて回動させることができる。つまり、燃料供給装置は、傾斜カム部とカム部の二段階でニードル弁を所定の点火位置に移動させる。傾斜カム部のみでニードル弁を所定の点火位置に移動させようとすると、点火ガイドと傾斜カム部を大型化する必要がある。この場合、燃料供給装置の左右の長さ（幅）が大きくなり、燃料供給装置を左右に並べて配置することが困難となる。一方、燃料供給装置は、二段階でニードル弁を所定の点火位置に移動するため、傾斜カム部と点火ガイドを小型化することができるので、燃料供給装置を左右に並べて配置することが可能となる。 According to the fuel supply device according to claim 4, in addition to the effect of the invention according to any one of claims 1 to 3, when the operation knob is pushed in, the protrusion is inclined to the left and right in the pushing direction. By contacting the cam portion, the thermal power adjusting cam can be rotated toward the ignition position. That is, the fuel supply device moves the needle valve to a predetermined ignition position in two stages of the inclined cam portion and the cam portion. If the needle valve is to be moved to a predetermined ignition position only by the inclined cam portion, it is necessary to increase the size of the ignition guide and the inclined cam portion. In this case, the left and right lengths (widths) of the fuel supply devices become large, and it becomes difficult to arrange the fuel supply devices side by side. On the other hand, in the fuel supply device, the needle valve is moved to a predetermined ignition position in two steps, so that the inclined cam portion and the ignition guide can be miniaturized, so that the fuel supply devices can be arranged side by side. Become.

請求項５に係るガスコンロは、請求項１乃至４の何れか一に記載の燃料供給装置が有する効果を奏する。 The gas stove according to claim 5 has the effect of the fuel supply device according to any one of claims 1 to 4.

なお、本発明は、請求項１から５の夫々の発明特定事項を任意に組み合わせてもよい。 In the present invention, the matters specifying the invention according to claims 1 to 5 may be arbitrarily combined.

ガスコンロ１の斜視図である。It is a perspective view of the gas stove 1. 燃料供給装置２０の斜視図である。It is a perspective view of the fuel supply device 20. 操作つまみ１４が操作位置にある場合の燃料供給装置２０の図である。It is a figure of the fuel supply device 20 when the operation knob 14 is in an operation position. 断面線ＡＧにおける燃料供給装置２０の断面図である。FIG. 5 is a cross-sectional view of the fuel supply device 20 at the cross-sectional line AG. 操作つまみ１４が消火位置にある場合を示す図である。It is a figure which shows the case where the operation knob 14 is in a fire extinguishing position. 火力調節カム２６の上面図である。It is a top view of the thermal power adjustment cam 26. 火力調節カム２６の裏面図である。It is a back view of the thermal power adjustment cam 26. 火力調節カム２６の前面図である。It is a front view of the thermal power adjustment cam 26. 火力調節カム２６の側面図である。It is a side view of the thermal power adjustment cam 26. 点火ガイド４０と第一傾斜カム部３７Ａについて説明する為の図である。It is a figure for demonstrating the ignition guide 40 and the first inclined cam part 37A. 点火ガイド４０を説明する為の図である。It is a figure for demonstrating the ignition guide 40. 連結部材２５の斜視図である。It is a perspective view of the connecting member 25. カム部３６について説明する為の図である。It is a figure for demonstrating the cam part 36.

以下、本発明の実施形態を説明する。以下に記載される装置の構造などは、特定的な記載がない限り、それのみに限定する趣旨ではなく、単なる説明例である。図面は、本発明が採用しうる技術的特徴を説明するために用いられるものである。以下説明は、図中に矢印で示す左右、前後、上下を使用する。 Hereinafter, embodiments of the present invention will be described. Unless otherwise specified, the structure of the device described below is not intended to be limited thereto, but is merely an example of explanation. The drawings are used to illustrate the technical features that can be adopted by the present invention. In the following description, the left and right, front and back, and top and bottom indicated by arrows in the figure are used.

図１を参照し、ガスコンロ１について説明する。ガスコンロ１は、ビルトインコンロである。ガスコンロ１は筐体２と天板３を備える。筐体２は上部が開口し、開口部分に天板３が設置される。天板３において、右手前には右バーナ４、左手前には左バーナ５、中央奥側には奥バーナ６が設けられる。天板３の後方部には、筐体２内に設置されたグリル装置（図示略）の排気口７が設けられる。 The gas stove 1 will be described with reference to FIG. The gas stove 1 is a built-in stove. The gas stove 1 includes a housing 2 and a top plate 3. The upper part of the housing 2 is open, and the top plate 3 is installed in the opening portion. In the top plate 3, a right burner 4 is provided on the front right side, a left burner 5 is provided on the front left side, and a back burner 6 is provided on the back side of the center. An exhaust port 7 of a grill device (not shown) installed in the housing 2 is provided at the rear portion of the top plate 3.

ガスコンロ１の前面の略中央には、グリル扉８が設けられる。グリル扉８は、グリル装置に設けられるグリル庫（図示略）の前側開口部分を開閉する。グリル扉８の右側の領域には、正面視円形状の２つの操作つまみ１１、１２が横方向に並んで設けられる。グリル扉８の左側の領域には、操作つまみ１１、１２と同じ高さ位置に、同一形状の２つの操作つまみ１３、１４が横方向に並んで設けられる。操作つまみ１１〜１４の夫々は、右バーナ４、グリル庫内のグリルバーナ（図示略）、奥バーナ６、左バーナ５の点火、消火及び火力調節を行う為に操作される。操作つまみ１１〜１４は、夫々、燃料供給装置２０（図２参照）の前端部に取り付けられる。 A grill door 8 is provided at substantially the center of the front surface of the gas stove 1. The grill door 8 opens and closes a front opening portion of a grill storage (not shown) provided in the grill device. In the area on the right side of the grill door 8, two operation knobs 11 and 12 having a circular front view are provided side by side in the horizontal direction. In the area on the left side of the grill door 8, two operation knobs 13 and 14 having the same shape are provided side by side at the same height position as the operation knobs 11 and 12. Each of the operation knobs 11 to 14 is operated to ignite, extinguish, and adjust the fire power of the right burner 4, the grill burner in the grill (not shown), the back burner 6, and the left burner 5. The operation knobs 11 to 14 are attached to the front ends of the fuel supply device 20 (see FIG. 2), respectively.

図２を参照し、燃料供給装置２０について説明する。ガスコンロ１は、右バーナ４、左バーナ５、奥バーナ６、及びグリル装置にガスを供給する４つの燃料供給装置を備える。そのうち、右バーナ４、左バーナ５、奥バーナ６にガスを供給する燃料供給装置２０は公知のプッシュ・プッシュ機構２４を備えた同一構成の装置である。また、グリル装置にガスを供給する燃料供給装置（図示略）は、燃料供給装置２０と同様のプッシュ・プッシュ機構を備えるが、ガス流量の調節を電磁弁によって行うため、流量調節部（図示略）を別体に設ける。以下では、左バーナ５にガスを供給する燃料供給装置２０を一例として説明し、右バーナ４、奥バーナ６、グリル装置にガスを供給する燃料供給装置については説明を省略する。なお、右バーナ４にガスを供給する燃料供給装置と、奥バーナ６にガスを供給する燃料供給装置は、燃料供給装置２０と同一構成であるので、便宜上、同一の符号を付して燃料供給装置２０と呼ぶ。 The fuel supply device 20 will be described with reference to FIG. The gas stove 1 includes a right burner 4, a left burner 5, a back burner 6, and four fuel supply devices for supplying gas to the grill device. Among them, the fuel supply device 20 for supplying gas to the right burner 4, the left burner 5, and the back burner 6 is a device having the same configuration provided with a known push-push mechanism 24. Further, the fuel supply device (not shown) that supplies gas to the grill device has a push-push mechanism similar to that of the fuel supply device 20, but since the gas flow rate is adjusted by a solenoid valve, the flow rate adjusting unit (not shown). ) Is provided separately. Hereinafter, the fuel supply device 20 for supplying gas to the left burner 5 will be described as an example, and the description of the fuel supply device for supplying gas to the right burner 4, the back burner 6, and the grill device will be omitted. Since the fuel supply device that supplies gas to the right burner 4 and the fuel supply device that supplies gas to the back burner 6 have the same configuration as the fuel supply device 20, they are designated by the same reference numerals for convenience. It is called a device 20.

図２に示す様に、燃料供給装置２０は、操作つまみ１４の押し込み操作と回動操作により、左バーナ５の点火と消火、及び左バーナ５に供給するガス量の調節を行う装置である。押し込み操作は、操作つまみ１４の前面を後方へ押圧し、ガスコンロ１の前面よりも奥側に押し込む操作である。回動操作は、操作つまみ１４の側面を把持し、前後方向の軸（軸心ＡＸ）を中心に回動する操作である。燃料供給装置２０は、操作部２１、ガス流路部２２、火力調節カム２６、流量調節部３１等を備える。 As shown in FIG. 2, the fuel supply device 20 is a device that ignites and extinguishes the left burner 5 and adjusts the amount of gas supplied to the left burner 5 by pushing and rotating the operation knob 14. The pushing operation is an operation of pressing the front surface of the operation knob 14 backward and pushing it to the back side of the front surface of the gas stove 1. The rotation operation is an operation of gripping the side surface of the operation knob 14 and rotating around an axis (axis center AX) in the front-rear direction. The fuel supply device 20 includes an operation unit 21, a gas flow path unit 22, a thermal power adjustment cam 26, a flow rate adjustment unit 31, and the like.

操作部２１は操作つまみ１４、プッシュ・プッシュ機構２４、連結部材２５を備える。連結部材２５は後述する。操作つまみ１４は略円柱状に形成される。操作つまみ１４は、ガスコンロ１の後方へ向けて押し込み移動させることにより、待機位置、押込位置、操作位置の各位置に移動する。待機位置は、操作つまみ１４の先端面が、ガスコンロ１の前面とほぼ面一となる位置である。待機位置において、操作つまみ１４の先端面は、ガスコンロ１の前面よりも僅かに後側に位置してもよいし、僅かに前側に位置してもよい。なお、図２に示す燃料供給装置２０は、操作つまみ１４が待機位置に位置する。押込位置は、操作つまみ１４の先端面が、ガスコンロ１の前面よりも後方に押し込まれた位置である。操作つまみ１４は、押込位置にて待機位置よりも後方に位置する。操作位置は、操作つまみ１４の先端面が、ガスコンロ１の前面に対して突出する位置である。操作つまみ１４は、操作位置にて待機位置よりも前方に位置する。操作位置にあるとき、操作つまみ１４は、前後方向に沿う軸心ＡＸを中心に回動可能（回動操作可能）である。 The operation unit 21 includes an operation knob 14, a push / push mechanism 24, and a connecting member 25. The connecting member 25 will be described later. The operation knob 14 is formed in a substantially columnar shape. The operation knob 14 is pushed and moved toward the rear of the gas stove 1 to move to each position of the standby position, the pushing position, and the operating position. The standby position is a position where the tip surface of the operation knob 14 is substantially flush with the front surface of the gas stove 1. In the standby position, the front end surface of the operation knob 14 may be located slightly behind the front surface of the gas stove 1 or slightly in front of the gas stove 1. In the fuel supply device 20 shown in FIG. 2, the operation knob 14 is located at the standby position. The pushing position is a position where the tip surface of the operation knob 14 is pushed rearward from the front surface of the gas stove 1. The operation knob 14 is located at the push-in position behind the standby position. The operation position is a position where the tip surface of the operation knob 14 projects with respect to the front surface of the gas stove 1. The operation knob 14 is located in front of the standby position at the operation position. When in the operating position, the operating knob 14 is rotatable (rotatable) about the axial center AX along the front-rear direction.

プッシュ・プッシュ機構２４は、操作つまみ１４が前方・後方に進退自在に、且つ軸心ＡＸ回りに回動自在に前方端部に連結されている。プッシュ・プッシュ機構２４は、操作つまみ１４を待機位置、押込位置、操作位置の各位置にて位置決めし、各位置に応じて後述するメイン弁（図示略）を開放状態又は閉鎖状態に維持する。プッシュ・プッシュ機構２４の内部には、操作つまみ１４の押し込み操作に合わせて前後方向に移動するスライダ（図示略）と、スライダを前方へ向けて付勢するバネと、メイン弁を駆動する弁駆動部（図示略）が設けられる。スライダには公知のカム機構（図示略）が設けられる。スライダは、操作つまみ１４が押し込み操作される度に、操作つまみ１４を待機位置から押込位置を経て操作位置に移動する動作と、操作位置から押込位置を経て待機位置移動する動作とを繰り返す。弁駆動部は、操作つまみ１４が待機位置から操作位置に移動する動作に連動してメイン弁を開放し、且つ開放状態に維持する動作を行い、操作つまみ１４が操作位置から待機位置に移動する動作に連動してメイン弁を閉鎖し、且つ閉鎖状態に維持する動作を行う。なお、上述のプッシュ・プッシュ機構２４の説明は、既存のプッシュ・プッシュ機構２４の一例の簡略的な説明であり、他のプッシュ・プッシュ機構２４を適用しても良い。 In the push / push mechanism 24, the operation knob 14 is connected to the front end portion so as to be able to move forward and backward and to be rotatable around the axis AX. The push / push mechanism 24 positions the operation knob 14 at each position of the standby position, the push position, and the operation position, and maintains the main valve (not shown) described later in the open state or the closed state according to each position. Inside the push / push mechanism 24, there is a slider (not shown) that moves in the front-rear direction according to the pushing operation of the operation knob 14, a spring that biases the slider forward, and a valve drive that drives the main valve. A section (not shown) is provided. The slider is provided with a known cam mechanism (not shown). Each time the operation knob 14 is pushed in, the slider repeats an operation of moving the operation knob 14 from the standby position to the operation position via the push position and an operation of moving the operation knob 14 from the operation position through the push position to the standby position. The valve drive unit opens the main valve in conjunction with the operation of the operation knob 14 moving from the standby position to the operation position and maintains the open state, and the operation knob 14 moves from the operation position to the standby position. In conjunction with the operation, the main valve is closed and the operation of maintaining the closed state is performed. The above description of the push-push mechanism 24 is a brief description of an example of the existing push-push mechanism 24, and another push-push mechanism 24 may be applied.

ガス流路部２２は、プッシュ・プッシュ機構２４の後側に連結される。ガス流路部２２の内部には第一ガス通路（図示略）が形成される。第一ガス通路は、下部に開口する導入口２３に接続するガス供給管（図示略）から供給されるガスを、流量調節部３１に流通する。第一ガス通路には安全弁（図示略）とメイン弁（図示略）が設けられる。安全弁は、第一ガス通路を閉じる閉状態に弾性付勢された電磁操作式の弁である。メイン弁は、操作つまみ１４の押し込み操作に応じて第一ガス通路の開閉を行う弁である。なお、メイン弁と安全弁は何れも周知のものであるので、動作の詳細な説明は省略する。 The gas flow path portion 22 is connected to the rear side of the push / push mechanism 24. A first gas passage (not shown) is formed inside the gas flow path portion 22. The first gas passage circulates the gas supplied from the gas supply pipe (not shown) connected to the introduction port 23 that opens at the bottom to the flow rate adjusting unit 31. A safety valve (not shown) and a main valve (not shown) are provided in the first gas passage. The safety valve is an electromagnetically operated valve that is elastically urged to close the first gas passage. The main valve is a valve that opens and closes the first gas passage according to the pushing operation of the operation knob 14. Since both the main valve and the safety valve are well known, detailed description of the operation will be omitted.

流量調節部３１は、プッシュ・プッシュ機構２４とガス流路部２２の上部に設けられる。流量調節部３１の内部には第二ガス通路（図示略）が形成される。第二ガス通路は、ガス流路部２２から供給されるガスを流通し、上部に開口する流出口３２に接続されるガス供給管（図示略）を介して左バーナ５に供給する。流量調節部３１の前端部には第二ガス通路に連通する穴部３０が形成され、ニードル弁２８が挿入される。ニードル弁２８は、前端部側が穴部３０から外部に露出され、後端部側が第二ガス通路内にて前後方向に移動可能に配置される。ニードル弁２８の前端部には、上下方向に延びるピン２９が設けられる。ピン２９の下端部は、火力調節カム２６のカム溝２７（後述）に係合する。 The flow rate adjusting unit 31 is provided above the push / push mechanism 24 and the gas flow rate unit 22. A second gas passage (not shown) is formed inside the flow rate adjusting unit 31. The second gas passage circulates the gas supplied from the gas passage portion 22 and supplies the gas to the left burner 5 via a gas supply pipe (not shown) connected to the outlet 32 that opens at the top. A hole 30 communicating with the second gas passage is formed at the front end of the flow rate adjusting portion 31, and the needle valve 28 is inserted. The front end side of the needle valve 28 is exposed to the outside from the hole 30, and the rear end side is arranged so as to be movable in the front-rear direction in the second gas passage. A pin 29 extending in the vertical direction is provided at the front end of the needle valve 28. The lower end of the pin 29 engages with the cam groove 27 (described later) of the thermal power adjusting cam 26.

火力調節カム２６は、略半円筒状に形成され、プッシュ・プッシュ機構２４の前端側上部を覆うようにして、軸心ＡＸの回りを回動可能に設けられている。火力調節カム２６は、前後方向への移動が規制される。火力調節カム２６の外周部には、カム溝２７が設けられる。カム溝２７は、軸心ＡＸを中心とする螺旋状に形成される。カム溝２７にはニードル弁２８に設けられたピン２９の下端部が係合する。火力調節カム２６が回動すると、カム溝２７がピン２９を案内し、ニードル弁２８を前後方向に移動する。 The thermal power adjusting cam 26 is formed in a substantially semi-cylindrical shape, and is rotatably provided around the axis AX so as to cover the upper part on the front end side of the push / push mechanism 24. The thermal power adjusting cam 26 is restricted from moving in the front-rear direction. A cam groove 27 is provided on the outer peripheral portion of the thermal power adjusting cam 26. The cam groove 27 is formed in a spiral shape centered on the axis AX. The lower end of the pin 29 provided on the needle valve 28 engages with the cam groove 27. When the thermal power adjusting cam 26 rotates, the cam groove 27 guides the pin 29 and moves the needle valve 28 in the front-rear direction.

火力調節カム２６は、前方に延びる延伸部３７を備え、延伸部３７の前端部分に内向きに突出する側歯部３５を有する。延伸部３７につては、更に後述する。側歯部３５は、図３と図４に示す様に、操作つまみ１４が操作位置にあるときに連結部材２５の側歯部３８（後述）に噛合し、連結部材２５を介して火力調節カム２６を操作つまみ１４と共に軸心ＡＸを中心に回動する。 The thermal power adjusting cam 26 includes an extension portion 37 extending forward, and has a side tooth portion 35 projecting inward at the front end portion of the extension portion 37. The stretched portion 37 will be further described later. As shown in FIGS. 3 and 4, the side tooth portion 35 meshes with the side tooth portion 38 (described later) of the connecting member 25 when the operation knob 14 is in the operating position, and the thermal power adjusting cam is provided via the connecting member 25. The 26 is rotated around the axis AX together with the operation knob 14.

操作部２１の連結部材２５は、プッシュ・プッシュ機構２４のスライダから前方に延び、軸心ＡＸを軸とする軸体（図示略）に係合する。連結部材２５は、前端部にて操作つまみ１４を一体に固定し、操作つまみ１４と共に軸心ＡＸを中心に回動可能に設けられる。連結部材２５は、後端部外周面に、火力調節カム２６の側歯部３５に噛合する側歯部３８を有する。操作つまみ１４が操作位置にあるとき、図３と図４に示す様に、連結部材２５の側歯部３８は火力調節カム２６の側歯部３５と噛合し、操作つまみ１４と火力調節カム２６を連結する。操作つまみ１４が操作位置にない場合には、火力調節カム２６の側歯部３５は、図５に示す様に（図５の例は操作つまみ１４が消火位置にある場合）、連結部材２５の側歯部３８の前方に位置して噛合せず、操作つまみ１４と火力調節カム２６の連結状態を解除する。より具体的には、操作つまみ１４が例えば消火位置にある時は、側歯部３８は側歯部３５の後側に位置する。一方、操作つまみ１４が操作位置に突出することに伴い、側歯部３８が操作つまみ１４と連動して操作つまみ１４の突出方向に移動して、側歯部３５の間に入り込み。そして、操作つまみ１４が、操作位置まで突出した時に、側歯部３８は側歯部３５と噛合する。故に、押し込み操作時に生じる回動力が操作つまみ１４に伝わることが無いので、操作つまみ１４が回転してユーザに違和感を与えてしまうのを防ぐことができる。なお、図５中の４０は、ニードル弁２８を強制的に第二の所定の位置（後述）にガイドする為の筒状の点火ガイドである。点火ガイド４０は、操作つまみと前後方向に連動し、非回動となっている。点火ガイド４０については、更に後述する。 The connecting member 25 of the operation unit 21 extends forward from the slider of the push / push mechanism 24 and engages with a shaft body (not shown) centered on the axis AX. The connecting member 25 is integrally fixed with the operation knob 14 at the front end portion, and is provided so as to be rotatable around the axis AX together with the operation knob 14. The connecting member 25 has a side tooth portion 38 that meshes with the side tooth portion 35 of the thermal power adjusting cam 26 on the outer peripheral surface of the rear end portion. When the operation knob 14 is in the operation position, as shown in FIGS. 3 and 4, the side tooth portion 38 of the connecting member 25 meshes with the side tooth portion 35 of the thermal power adjustment cam 26, and the operation knob 14 and the thermal power adjustment cam 26 To concatenate. When the operation knob 14 is not in the operation position, the side tooth portion 35 of the thermal power adjustment cam 26 is connected to the connecting member 25 as shown in FIG. 5 (in the example of FIG. 5 when the operation knob 14 is in the fire extinguishing position). It is located in front of the side tooth portion 38 and does not mesh with each other, and the connection state of the operation knob 14 and the thermal power adjusting cam 26 is released. More specifically, when the operation knob 14 is in the fire extinguishing position, for example, the side tooth portion 38 is located on the rear side of the side tooth portion 35. On the other hand, as the operation knob 14 protrudes to the operation position, the side tooth portion 38 moves in the protruding direction of the operation knob 14 in conjunction with the operation knob 14 and enters between the side tooth portions 35. Then, when the operation knob 14 protrudes to the operation position, the side tooth portion 38 meshes with the side tooth portion 35. Therefore, since the rotational power generated during the pushing operation is not transmitted to the operation knob 14, it is possible to prevent the operation knob 14 from rotating and giving a sense of discomfort to the user. Reference numeral 40 in FIG. 5 is a tubular ignition guide for forcibly guiding the needle valve 28 to a second predetermined position (described later). The ignition guide 40 is interlocked with the operation knob in the front-rear direction and is non-rotating. The ignition guide 40 will be described later.

次に、操作つまみ１４の回動操作による点火及び消火と火力の調節について説明する。左バーナ５の消火時、操作つまみ１４は、待機位置にある。ユーザが操作つまみ１４を押し込み、操作つまみ１４が押込位置に移動する過程で、安全弁とメイン弁が開放され、イグナイタ（図示略）によって左バーナ５が点火される。ユーザが操作つまみ１４から手を離すと、操作つまみ１４はバネの付勢により操作位置に移動する。安全弁とメイン弁は開放状態に維持される。連結部材２５によって、操作つまみ１４と火力調節カム２６が連結される。 Next, ignition and extinguishing and adjustment of thermal power by rotating the operation knob 14 will be described. When the left burner 5 is extinguished, the operation knob 14 is in the standby position. In the process in which the user pushes the operation knob 14 and the operation knob 14 moves to the pushed position, the safety valve and the main valve are opened, and the left burner 5 is ignited by the igniter (not shown). When the user releases the operation knob 14, the operation knob 14 moves to the operation position by the urging of the spring. The safety valve and main valve are kept open. The connecting member 25 connects the operation knob 14 and the thermal power adjusting cam 26.

操作つまみ１４が操作位置にある状態で操作つまみ１４が回動操作されると、火力調節カム２６は操作つまみ１４と共に軸心ＡＸの回りを回動する。火力調節カム２６が回動すると、ニードル弁２８のピン２９がカム溝２７に案内されて、前後方向に移動する。これにより、ニードル弁２８が前後方向に移動するので、ニードル弁２８の位置に応じて、第二ガス通路を流通するガスの流量が調節され、左バーナ５の火力が変更される。 When the operation knob 14 is rotated while the operation knob 14 is in the operation position, the thermal power adjusting cam 26 rotates around the axis AX together with the operation knob 14. When the thermal power adjusting cam 26 rotates, the pin 29 of the needle valve 28 is guided by the cam groove 27 and moves in the front-rear direction. As a result, the needle valve 28 moves in the front-rear direction, so that the flow rate of the gas flowing through the second gas passage is adjusted according to the position of the needle valve 28, and the thermal power of the left burner 5 is changed.

ユーザが操作つまみ１４を押し込み、操作つまみ１４が押込位置に移動する過程で、安全弁とメイン弁が閉鎖される。左バーナ５は消火する。ユーザが操作つまみ１４から手を離すと、操作つまみ１４はバネの付勢により待機位置に移動する。安全弁とメイン弁は閉鎖状態に維持される。 The safety valve and the main valve are closed in the process in which the user pushes the operation knob 14 and the operation knob 14 moves to the pushed position. The left burner 5 extinguishes the fire. When the user releases the operation knob 14, the operation knob 14 moves to the standby position due to the urging of the spring. The safety valve and main valve are kept closed.

このように、燃料供給装置２０は、操作つまみ１４の回動操作に伴い、火力調節カム２６がニードル弁２８を移動することによって、流量調節部３１の第二ガス通路を流通するガスの流量を無段階に調節する。即ち、操作つまみ１４の回動量に応じて、左バーナ５の火力がリニアに変化する。右バーナ４、奥バーナ６に夫々対応する操作つまみ１１、１３についても同様である。ガスコンロ１は、操作つまみ１１、１３、１４の夫々の回動量に応じた火力表示を行うため、前面に設けるパネル装置９Ａ、９Ｂに火力表示機能を備える。 As described above, in the fuel supply device 20, the thermal power adjusting cam 26 moves the needle valve 28 in accordance with the rotation operation of the operation knob 14, so that the flow rate of the gas flowing through the second gas passage of the flow rate adjusting unit 31 is increased. Adjust steplessly. That is, the thermal power of the left burner 5 changes linearly according to the amount of rotation of the operation knob 14. The same applies to the operation knobs 11 and 13 corresponding to the right burner 4 and the back burner 6, respectively. The gas stove 1 is provided with a thermal power display function on the panel devices 9A and 9B provided on the front surface in order to display the thermal power according to the amount of rotation of the operation knobs 11, 13 and 14.

図１に示す様に、ガスコンロ１は、グリル扉８の右側の領域に、右バーナ４とグリル装置の火力表示を行うパネル装置９Ａを備え、グリル扉８の左側の領域に、左バーナ５と奥バーナ６の火力表示を行うパネル装置９Ｂを備える。 As shown in FIG. 1, the gas stove 1 is provided with a right burner 4 and a panel device 9A for displaying the thermal power of the grill device in the area on the right side of the grill door 8, and a left burner 5 in the area on the left side of the grill door 8. A panel device 9B for displaying the thermal power of the back burner 6 is provided.

ここで、図５乃至図９を参照し、延伸部３７について説明する。延伸部３７は、図６に示す様に、前方に先細りするテーパ形状の第一傾斜カム部３７Ａを略中央部の両側に有する。延伸部３７は、図６に示す様に、第一傾斜カム部３７Ａの前方端部から前方に延びる舌片３７Ｂを有する。本実施形態においては、舌片３７Ｂは有していても、いなくても良い。舌片３７Ｂは、図６に示す様に、連結部材２５と点火ガイド４０との間の空間に挿入されている。延伸部３７は、図６に示す様に、延伸部３７の後部の両側に、前後方向に延伸し、左右方向の一方に夫々突出する鍔３７Ｃと、延伸部３７の後部の中央に係止部３７Ｄを有する。鍔３７Ｃは、カム部３６（後述）を火力調節カム２６に装着する時に、カム部３６の係止溝３６Ｂ（後述）にスライドして係止させる為のものである。係止部３７Ｄは、図９に示す様に、後方に向かうにつれ、延伸部３７本体から離れる方向に傾斜するように形成されている。従って、鍔３７Ｃをカム部３６の係止溝３６Ｂにスライドして係止し、更に、カム部３６の係止孔３６Ｃ（後述）に係止部３７Ｄを係止することで、カム部３６は火力調節カム２６に装着可能となる。つまり、カム部３６と火力調節カム２６は一体的に形成しておらず、カム部３６は、火力調節カム２６から脱着可能である。 Here, the stretched portion 37 will be described with reference to FIGS. 5 to 9. As shown in FIG. 6, the stretched portion 37 has a tapered first inclined cam portion 37A that tapers forward on both sides of a substantially central portion. As shown in FIG. 6, the extending portion 37 has a tongue piece 37B extending forward from the front end portion of the first inclined cam portion 37A. In this embodiment, the tongue piece 37B may or may not be present. As shown in FIG. 6, the tongue piece 37B is inserted in the space between the connecting member 25 and the ignition guide 40. As shown in FIG. 6, the stretched portion 37 has a collar 37C that stretches in the front-rear direction on both sides of the rear portion of the stretched portion 37 and protrudes in one of the left-right directions, and a locking portion in the center of the rear portion of the stretched portion 37. It has 37D. The collar 37C is for sliding and locking the cam portion 36 (described later) into the locking groove 36B (described later) of the cam portion 36 when the cam portion 36 (described later) is attached to the thermal power adjusting cam 26. As shown in FIG. 9, the locking portion 37D is formed so as to incline in a direction away from the main body of the extending portion 37 toward the rear. Therefore, by sliding the collar 37C into the locking groove 36B of the cam portion 36 to lock the collar 37C and further locking the locking portion 37D into the locking hole 36C (described later) of the cam portion 36, the cam portion 36 can be moved. It can be attached to the thermal power adjustment cam 26. That is, the cam portion 36 and the thermal power adjusting cam 26 are not integrally formed, and the cam portion 36 is removable from the thermal power adjusting cam 26.

延伸部３７は、図７に示す様に、舌片３７Ｂの裏面（連結部材２５と対向する面）に３つの側歯部３５を有する。３つの側歯部３５を有する理由は、操作つまみ１４が必要以上の力で回動された時に、側歯部３５の破損を防止する為である。従って、延伸部３７を形成する素材の強度によっては、側歯部３５は１つであっても良いし、２つであっても良い。もちろん、舌片３７Ｂの前端部に形成可能であるなら４つ以上の側歯部３５を有していても良い。 As shown in FIG. 7, the stretched portion 37 has three side tooth portions 35 on the back surface (the surface facing the connecting member 25) of the tongue piece 37B. The reason for having the three side tooth portions 35 is to prevent the side tooth portions 35 from being damaged when the operation knob 14 is rotated with a force more than necessary. Therefore, depending on the strength of the material forming the stretched portion 37, the number of the side tooth portions 35 may be one or two. Of course, it may have four or more side teeth 35 as long as it can be formed at the front end of the tongue piece 37B.

また、３つの側歯部３５の内で真ん中の側歯部３５の前後方向の長さが他の側歯部３５と比べ、若干長く形成されている。これは、操作つまみ１４を押し込み、操作つまみ１４を操作位置に突出させる過程で、舌片３７Ｂの側歯部３５の前端部と連結部材２５の側歯部３８の後端部とがぶつかり合った状態で安定し、操作つまみ１４が操作位置に突出しないのを防止する為である。舌片３７Ｂの側歯部３５の一部の長さを前後方向に長くすることで、舌片３７Ｂの側歯部３５の前端部と連結部材２５の側歯部３８の後端部とがぶつかり合ったとしても、左右の何れかに滑り易くし、操作つまみ１４を操作位置に確実に突出させることができる。つまり、本実施形態では、３つの側歯部３５の内の真ん中の側歯部３５の前後方向の長さを長くしたが、左右の何れかの側歯部３５の前後方向の長さを長くしても良い。３つの側歯部３５の内で、２つの側歯部３５の前後方向の長さを長くしても良い。しかしながら、舌片３７Ｂの側歯部３５の前端部と連結部材２５の側歯部３８の後端部とがぶつかり合った時の滑り易さの観点から、２つの側歯部３５の前後方向の長さを長くするより、１つの側歯部３５の前後方向の長さを長くする方が好ましい。 Further, among the three side tooth portions 35, the length of the middle side tooth portion 35 in the anteroposterior direction is formed to be slightly longer than that of the other side tooth portions 35. In this process, in the process of pushing the operation knob 14 and projecting the operation knob 14 to the operation position, the front end portion of the side tooth portion 35 of the tongue piece 37B and the rear end portion of the side tooth portion 38 of the connecting member 25 collide with each other. This is to stabilize the state and prevent the operation knob 14 from protruding to the operation position. By lengthening a part of the side tooth portion 35 of the tongue piece 37B in the front-rear direction, the front end portion of the side tooth portion 35 of the tongue piece 37B and the rear end portion of the side tooth portion 38 of the connecting member 25 collide with each other. Even if it fits, it can be made slippery to either the left or right side, and the operation knob 14 can be reliably projected to the operation position. That is, in the present embodiment, the length of the middle side tooth portion 35 among the three side tooth portions 35 in the anteroposterior direction is lengthened, but the length of any of the left and right side tooth portions 35 in the anteroposterior direction is lengthened. You may. Of the three side tooth portions 35, the length of the two side tooth portions 35 in the anteroposterior direction may be increased. However, from the viewpoint of slipperiness when the front end portion of the side tooth portion 35 of the tongue piece 37B and the rear end portion of the side tooth portion 38 of the connecting member 25 collide with each other, the two side tooth portions 35 are in the front-rear direction. It is preferable to increase the length of one side tooth portion 35 in the anteroposterior direction rather than increasing the length.

各側歯部３８は、図７に示す様に、後方に向かうにつれ先細りするテーパ形状に形成されている。各側歯部３８の後方部分は、図８に示す様に、下方向に向かうにつれ（連結部材２５の外周部に近づくにつれ）先細りするテーパ形状に形成され、図９に示す様に、後方に向かうにつれ、舌片３７Ｂの裏面に近づくように傾斜するように形成されている。 As shown in FIG. 7, each side tooth portion 38 is formed in a tapered shape that tapers toward the rear. As shown in FIG. 8, the rear portion of each side tooth portion 38 is formed in a tapered shape that tapers downward (as it approaches the outer peripheral portion of the connecting member 25), and rearwardly as shown in FIG. It is formed so as to incline toward the back surface of the tongue piece 37B as it approaches.

図１０と図１１を参照し、点火ガイド４０と第一傾斜カム部３７Ａについて更に説明する。点火ガイド４０は、左右の下部の後側に当接部４０Ａを有する。当接部４０Ａは、操作つまみ１４が弱火方向又は強火方向に回動されている状態で押し込み操作された時に、図１０に示す様に、第一傾斜カム部３７Ａに当接し、第一傾斜カム部３７Ａは、押し力を軸心ＡＸ回りの回動力に変換する。これにより、ニードル弁２８は、強制的に第一の所定の位置に移動する。第一の所定の位置は、強火と中火との間の位置あるいは弱火と中火との間の位置である。点火ガイド４０は、点火ガイド４０の前後方向の長さと同じ長さの突起部４０Ｂを略板状に形成された最上部に有する。突起部４０Ｂは、後述するように、第二傾斜カム部３６Ａと当接する為、十分な強度が確保できるのなら、より短くても良い。点火ガイド４０は、上述したように、筒状に形成されており、図１１に示す様に、円弧上状の遊挿孔４０Ｃを有している。 The ignition guide 40 and the first inclined cam portion 37A will be further described with reference to FIGS. 10 and 11. The ignition guide 40 has a contact portion 40A on the rear side of the lower left and right sides. As shown in FIG. 10, the contact portion 40A contacts the first inclined cam portion 37A when the operation knob 14 is pushed in while being rotated in the low heat direction or the high heat direction, and the first inclined cam portion 40A is brought into contact with the first inclined cam portion 37A. The unit 37A converts the pushing force into a rotational force around the axis AX. As a result, the needle valve 28 is forcibly moved to the first predetermined position. The first predetermined position is a position between high heat and medium heat or a position between low heat and medium heat. The ignition guide 40 has a protrusion 40B having the same length as the length of the ignition guide 40 in the front-rear direction at the uppermost portion formed in a substantially plate shape. Since the protrusion 40B comes into contact with the second inclined cam portion 36A as described later, it may be shorter as long as sufficient strength can be secured. As described above, the ignition guide 40 is formed in a cylindrical shape, and has an arcuate free insertion hole 40C as shown in FIG.

図１２を参照し、連結部材２５の側歯部３８について説明する。側歯部３８は、図１２に示す様に、連結部材２５の後方部に外周に沿って複数形成されている。各側歯部３８は、前方に向かうにつれ、先細りするテーパ形状に形成されている。また、各側歯部３８の前方部分は、軸心ＡＸから離れるにつれ、先細りする形状に形成され、且つ前方に向かうにつれ軸心ＡＸに近づくように傾斜して形成されている。舌片３７Ｂの側歯部３５の一部の長さを変えるかわりに、前後方向の長さが長い側歯部３８と前後方向の長さが短い側歯部３８とが交互に配置されても良い。こうすることで、舌片３７Ｂの側歯部３５の前端部と連結部材２５の側歯部３８の後端部とがぶつかり合った時に、左右の何れかに滑り易くできる。従って、操作つまみ１４を操作位置に確実に突出させることができる。 The side tooth portion 38 of the connecting member 25 will be described with reference to FIG. As shown in FIG. 12, a plurality of side tooth portions 38 are formed on the rear portion of the connecting member 25 along the outer periphery. Each side tooth portion 38 is formed in a tapered shape that tapers toward the front. Further, the front portion of each side tooth portion 38 is formed in a tapered shape as it is separated from the axial center AX, and is formed so as to be inclined so as to approach the axial center AX toward the front. Instead of changing the length of a part of the side teeth 35 of the tongue piece 37B, even if the side teeth 38 having a long anterior-posterior length and the side teeth 38 having a short anterior-posterior length are alternately arranged. good. By doing so, when the front end portion of the side tooth portion 35 of the tongue piece 37B and the rear end portion of the side tooth portion 38 of the connecting member 25 collide with each other, it can be slippery to either the left or right side. Therefore, the operation knob 14 can be reliably projected to the operation position.

図１３を参照し、カム部３６について説明する。図１３に示すカム部３６は、左下方向に少し傾けた状態の図である。カム部３６の裏面には第二傾斜カム部３６Ａを有する。第二傾斜カム部３６Ａは、前方右下方向に傾斜するカム部と前方左下方向に傾斜するカム部とから形成されている。第二傾斜カム部３６Ａは、操作つまみ１４が押し操作された時に、点火ガイド４０の突起部４０Ｂと当接し、押し力を軸心ＡＸ回りの回動力に変換する。これにより、ニードル弁２８は強制的に第二の所定の位置に移動する。第二の所定の位置は中火の位置であるのが好ましい。なぜなら、弱火だと点火しない場合が生じ、強火だと安全性に欠けるからである。但し、奥バーナ６においては、手前側に設置されている右バーナ４と左バーナ５に比べ、ガス流量が小さく設定されている。その為、点火の安定性を保つ為に、第二の所定の位置は強火相当の位置が好ましい。従って、奥バーナ６の点火ガイド４０の突起部４０Ｂは、前方視した時、最上部より右側に配置される。カム部３６は、後部の左右の下側に係止溝３６Ｂと、後部の中央に係止孔３６Ｃを有する。係止溝３６Ｂと係止孔３６Ｃは、上述したように、カム部３６を火力調節カム２６に装着する為のものである。 The cam portion 36 will be described with reference to FIG. The cam portion 36 shown in FIG. 13 is a view in a state of being slightly tilted in the lower left direction. A second inclined cam portion 36A is provided on the back surface of the cam portion 36. The second inclined cam portion 36A is formed of a cam portion inclined in the lower right front direction and a cam portion inclined in the lower left front direction. When the operation knob 14 is pushed, the second inclined cam portion 36A comes into contact with the protrusion 40B of the ignition guide 40, and converts the pushing force into rotational power around the axis AX. As a result, the needle valve 28 is forcibly moved to the second predetermined position. The second predetermined position is preferably the medium heat position. This is because low heat may not ignite, and high heat lacks safety. However, in the back burner 6, the gas flow rate is set smaller than that of the right burner 4 and the left burner 5 installed on the front side. Therefore, in order to maintain the stability of ignition, the second predetermined position is preferably a position corresponding to high heat. Therefore, the protrusion 40B of the ignition guide 40 of the back burner 6 is arranged on the right side of the uppermost portion when viewed forward. The cam portion 36 has a locking groove 36B on the left and right lower sides of the rear portion and a locking hole 36C in the center of the rear portion. As described above, the locking groove 36B and the locking hole 36C are for mounting the cam portion 36 on the thermal power adjusting cam 26.

上述したように、本実施形態の燃料供給装置２０は、操作つまみ１４を押し込み操作した時に、最初に第一傾斜カム部３７Ａが点火ガイド４０の当接部４０Ａに当接し、第一傾斜カム部３７Ａは、押し力を軸心ＡＸ回りの回動力に変換する。これにより、ニードル弁２８は第一の所定の位置に移動する。そして、第二傾斜カム部３６Ａが点火ガイド４０の突起部４０Ｂに当接し、第二傾斜カム部３６Ａは、押し力を軸心ＡＸ回りの回動力に変換する。これにより、ニードル弁２８は第二の所定の位置に移動する。つまり、本実施形態の燃料供給装置２０は、二段階でニードル弁２８を第二の所定の位置（目的の位置）に移動させる。従来の様に、点火ガイド４０と第一傾斜カム部３７Ａのみで、ニードル弁２８を第二の所定の位置に移動する為には、点火ガイド４０と第一傾斜カム部３７Ａを大型化する必要があった。この場合、燃料供給装置２０の左右の長さ（幅）が大きくなり、燃料供給装置２０を左右に並べて配置することが困難となる。一方、本実施形態では、二段階でニードル弁を第二の所定の位置に移動するため、第一傾斜カム部３７Ａと点火ガイド４０を小型化することができる。 As described above, in the fuel supply device 20 of the present embodiment, when the operation knob 14 is pushed in, the first inclined cam portion 37A first abuts on the contact portion 40A of the ignition guide 40, and the first inclined cam portion 37A converts the pushing force into rotational power around the axis AX. As a result, the needle valve 28 moves to the first predetermined position. Then, the second inclined cam portion 36A comes into contact with the protruding portion 40B of the ignition guide 40, and the second inclined cam portion 36A converts the pushing force into rotational power around the axis AX. As a result, the needle valve 28 moves to the second predetermined position. That is, the fuel supply device 20 of the present embodiment moves the needle valve 28 to the second predetermined position (target position) in two steps. In order to move the needle valve 28 to the second predetermined position with only the ignition guide 40 and the first inclined cam portion 37A as in the conventional case, it is necessary to increase the size of the ignition guide 40 and the first inclined cam portion 37A. was there. In this case, the left and right lengths (widths) of the fuel supply devices 20 become large, and it becomes difficult to arrange the fuel supply devices 20 side by side. On the other hand, in the present embodiment, since the needle valve is moved to the second predetermined position in two steps, the first inclined cam portion 37A and the ignition guide 40 can be miniaturized.

上記実施形態によれば、燃料供給装置２０は、燃料を調節するニードル弁２８を有する火力調節カム２６にから手前方向に延設されている延伸部３７と、点火ガイド４０を備える。延伸部３７は、延伸部３７の手前側端部の左右両縁部に押し込み方向から手前方向に向かうにつれ延伸部３７の左右方向中央に傾斜する第二傾斜カム部３６Ａを有する。点火ガイド４０は、非回動、且つ操作つまみ１４と連動して進退する。延伸部３７が所定の点火位置に対して左右側に位置している状態で、操作つまみ１４が押し込み操作された際に、点火ガイド４０は、第二傾斜カム部３６Ａに当接して延伸部３７を回動させ、ニードル弁２８を所定の点火位置に向けて移動し当接部４０Ａを押し込み方向の側の端部に有する。燃料供給装置２０は、ニードル弁２８を後退させる延伸部３７の手前側且つ点火ガイド４０の奥側に第一傾斜カム部３７Ａと、非回動且つ操作つまみと連動して進退する点火ガイド４０を有する。従って、操作つまみ１４を押し込み操作した際に、点火ガイド４０の奥側の当接部４０Ａが第一傾斜カム部３７Ａに当接することで、延伸部３７を点火位置に向けて回動することができる。故に、例えば、操作つまみ１４の押し込み操作時に、操作つまみ１４と延伸部３７が非連結になる構成をとっても、適切に点火位置に誘導してくれるので、設計の自由度を広げることが可能となる。また、連結部材は伸縮機構が不要となるので、押し込み操作時に通常以上の力が必要となることがない。故に、押し込み操作が楽に行うことができる。 According to the above embodiment, the fuel supply device 20 includes an extension portion 37 extending in the front direction from the thermal power adjustment cam 26 having a needle valve 28 for adjusting the fuel, and an ignition guide 40. The stretched portion 37 has a second inclined cam portion 36A that is inclined toward the center in the left-right direction of the stretched portion 37 from the pushing direction toward the front side at both the left and right edges of the front end portion of the stretched portion 37. The ignition guide 40 does not rotate and moves forward and backward in conjunction with the operation knob 14. When the operation knob 14 is pushed in while the extension portion 37 is located on the left and right sides with respect to the predetermined ignition position, the ignition guide 40 comes into contact with the second inclined cam portion 36A and the extension portion 37 The needle valve 28 is moved toward a predetermined ignition position, and the contact portion 40A is held at the end portion on the side in the pushing direction. The fuel supply device 20 has a first inclined cam portion 37A on the front side of the extension portion 37 for retracting the needle valve 28 and the back side of the ignition guide 40, and an ignition guide 40 that is non-rotating and moves forward and backward in conjunction with the operation knob. Have. Therefore, when the operation knob 14 is pushed in, the contact portion 40A on the back side of the ignition guide 40 comes into contact with the first inclined cam portion 37A, so that the extension portion 37 can rotate toward the ignition position. can. Therefore, for example, even if the operation knob 14 and the extension portion 37 are not connected to each other when the operation knob 14 is pushed in, the operation knob 14 and the extension portion 37 are appropriately guided to the ignition position, so that the degree of freedom in design can be expanded. .. Further, since the connecting member does not require an expansion / contraction mechanism, a force more than usual is not required at the time of pushing operation. Therefore, the pushing operation can be easily performed.

上記説明において、ガスコンロ１は、「ガスコンロ」の一例である。左バーナ５は、「バーナ」の一例である。操作つまみ１４は、「操作つまみ」の一例である。燃料供給装置２０は、「燃料供給装置」の一例である。第一傾斜カム部３７Ａは、「傾斜カム部」の一例である。舌片３７Ｂは、「舌片」の一例である。カム溝２７は、「カム溝」の一例である。ニードル弁２８は、「ニードル弁」の一例である。ピン２９は、「ピン」の一例である。カム部３６は、「延設部」の一例である。第二傾斜カム部３６Ａは、「カム部」の一例である。点火ガイド４０は、「点火ガイド」の一例である。当接部４０Ａは、「当接部」の一例である。突起部４０Ｂは、「突起部」の一例である。遊挿孔４０Ｃは、「遊挿孔」の一例である。 In the above description, the gas stove 1 is an example of a “gas stove”. The left burner 5 is an example of a "burner". The operation knob 14 is an example of the “operation knob”. The fuel supply device 20 is an example of a “fuel supply device” . The first inclined cam portion 37A is an example of the “tilted cam portion”. The tongue piece 37B is an example of a "tongue piece" . Cams groove 27 is an example of the "cam groove". The needle valve 28 is an example of a “needle valve”. The pin 29 is an example of a “pin”. The cam portion 36 is an example of an “extended portion”. The second inclined cam portion 36A is an example of the “cam portion”. The ignition guide 40 is an example of an “ignition guide”. The contact portion 40A is an example of a “contact portion”. The protrusion 40B is an example of a “protrusion”. The free insertion hole 40C is an example of a “free insertion hole”.

１ガスコンロ
５左バーナ
１４操作つまみ
２０燃料供給装置
２６火力調整カム
２７カム溝
２８ニードル弁
２９ピン
３６カム部
３６Ａ第二傾斜カム部
３７延伸部
３７Ａ第一傾斜カム部
３７Ｂ舌片
４０点火ガイド
４０Ａ当接部
４０Ｂ突起部
４０Ｃ遊挿孔 1 Gas stove 5 Left burner 14 Operation knob 20 Fuel supply device 26 Thermal power adjustment cam 27 Cam groove 28 Needle valve 29 Pin 36 Cam part 36A Second inclined cam part 37 Extension part 37A First inclined cam part 37B Tongue piece 40 Ignition guide 40A Contact part 40B Protrusion part 40C Free insertion hole

Claims

An operation knob that can be pushed in and can rotate in the pushing direction,
A needle valve that adjusts the amount of fuel supplied to the burner, and a pin that is provided at the end of the needle valve on the front side in the direction opposite to the pushing direction and projects perpendicular to the pushing direction and at least downward. Flow control unit equipped with
On the pushing direction side of the operating knob, it is provided so as to rotate in conjunction with the rotation of the operating knob and not move in the pushing direction, and convert the pushing force of the operating knob into rotational power in the pushing direction. Then, with the heating power adjustment cam for adjusting the heating power of the burner,
When the operating knob is pushed, the thermal power adjusting cam, a point fire guide Ru is rotated toward a predetermined ignition position to ignite the burner
With
The thermal power adjustment cam
The pin is provided on the rear side of the thermal power adjusting cam, the pin is inserted, the pin is spirally inclined with respect to the pushing direction, and the pin is moved forward and backward in the pushing direction by rotating integrally with the thermal power adjusting cam. And a cam groove for adjusting the fuel supply amount,
Said than cam grooves provided on the left and right edges of the hand front, inclined cam portion which is inclined toward a lateral center of the hand the thermal power adjusting cam As directed toward the body from the push-in direction
With
Before SL ignition guide Hikaido, and moved forward and backward in conjunction with the operating knob, in a state in which the combustion control cam is located on the left and right side with respect to the predetermined ignition position, the operating knob is pushed At that time, the thermal power adjusting cam is rotated toward the predetermined ignition position in contact with the inclined cam portion, and the needle valve is moved to a predetermined position to supply the fuel supply amount required for ignition of the burner. the fuel supply device comprising a Turkey which having a contact portion that moves toward the end portion side of the push-in direction.

The thermal power adjusting cam further possess the front tongue from the end portion are formed to extend in the front side of the inclined cam portion,
Before SL ignition guide fuel supply apparatus according to claim 1, wherein the tongue and having the push-in direction around the rotatably loosely fitted hole that is loosely inserted in the operating knob.

The fuel supply device according to claim 2, wherein the free insertion hole is formed in an arc shape.

It said ignition guide is substantially cylindrical in shape, has a projection to leave collision from its outer peripheral side,
Coupled overlapping the front side outer periphery of the thermal power adjusting cams are and extends in the front side of the thermal power adjusting cam, overlapping the outer peripheral side of the ignition guide in a state in which at least the operating knob is pushed With additional extension
On the side of the extension portion facing the outer periphery of the ignition guide, a cam portion protruding toward the outer periphery of the ignition guide is provided.
The cam portion is inclined toward the center in the lateral direction of the hand the extending portion as the direction from the front side in the pushing direction side,
When operated pushing the operation knob, the projection abuts against the cam portion rotates the said thermal power adjusting cam, wherein the benzalkonium is moved toward the needle valve in the plant stereotactic location The fuel supply device according to any one of claims 1 to 3.

A gas stove comprising the fuel supply device according to any one of claims 1 to 4.